Summation of Poisson CDF

r = 0;
   while true
     if sum(poisscdf(r:r+14,90/52)/15) >= .98,break,end
     r = r+1;
   end

I tried this code, but when I hit execute nothing showed up in the command window, no error or anything. Is the code wrong in some way?

[Roger Stafford]

That was my code in https://www.mathworks.com/matlabcentral/answers/326440-solving-a-summation-for-unknown-limits-of-integration. The value of r when it finishes is the answer you desire.

Answer 1

[Walter Roberson]

Add to the end of it:

disp(r)